Given y = f(u) and u = g(x), find dy/dx = f'(g(x))g'(x).y = sin u, u = 9x + 13
A. 9 cos (9x + 13)
B. -9 cos (9x + 13)
C. - cos (9x + 13)
D. cos (9x + 13)
Answer: A
Mathematics
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Find the specified value of the objective function f on the given region.
Maximum of f = 6x + 3y
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